The Rincon 4 features a full redesign, enhancing its legendary cushion-to-weight ratio with upgraded foam for improved rebound and extended durability.. Injected EVA midsole has been revamped to maintain plush comfort over more miles, delivering lasting softness run after run.. Smooth MetaRocker geometry promotes efficient transitions for a faster, more fluid stride.. Increased stack height adds even more cushioning without compromising the shoes ultra-lightweight feel.. Durable podular outsole with rubberized EVA enhances traction and extends wear, all while maintaining a foot-hugging fit.